﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
</head>

<body>
    <select>
        <option>编程开发语言</option>
        <option>工具软件</option>
        <option>顾问咨询</option>
        <option>操作系统</option>
    </select>
</body>

</html>